Artworks made with spray paint, found objects, markers and other tools of the so-called “lowbrow art” movement are spotlighted in “Urban Decay 3,” a fun and visually-rich group exhibition inspired by comics, graffiti, tattoos and other popular art forms at the Workhouse Arts Center. But the stars of this must-see show are its many examples of “urban vinyl,” or customized plastic action figures.

Part sculpture and part doll, the one-of-a-kind figures are hot (and surprisingly affordable) collector’s items in an art scene that is increasingly emerging from the underground into the mainstream. Read my review, and check out a selection of images from the show in the gallery at the top of this post.

Born and raised in Washington, D.C., Michael O’Sullivan has worked since 1993 at The Washington Post, where he covers art, film and other forms of popular — and unpopular — culture.

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Comments our editors find particularly useful or relevant are displayed in Top Comments, as are comments by users with these badges: . Replies to those posts appear here, as well as posts by staff writers.